#ifndef _LIBSVM_H
#define _LIBSVM_H

#ifndef TYPPES
#define TYPPES
#include "types.h"
#endif

#include "gpuImplementations/OpenCLLibsvmVersionMultiKernel/OpenCLKernel.hpp"
#include "gpuImplementations/OpenCLLibsvmVersionMultiKernel/OpenCLKernelPredict.hpp"

/*
struct svm_node
{
	int index;
	double value;
};

struct svm_problem
{
	int l;
	double *y;
	struct svm_node **x;
};

enum { C_SVC, NU_SVC, ONE_CLASS, EPSILON_SVR, NU_SVR, GPU_C_SVC, GPU_NU_SVC, GPU_ONE_CLASS, GPU_EPSILON_SVR, GPU_NU_SVR};	
enum { LINEAR, POLY, RBF, SIGMOID, PRECOMPUTED }; 

struct svm_parameter
{
	int svm_type;
	int kernel_type;
	int degree;	
	double gamma;
	double coef0;

	
	double cache_size;
	double eps;
	double C;	
	int nr_weight;
	int *weight_label;
	double* weight;		
	double nu;
	double p;
	int shrinking;
	int probability;
};

//
// svm_model
// 
struct svm_model
{
	struct svm_parameter param;
	int nr_class;
	int l;		
	struct svm_node **SV;
	double **sv_coef;
	double *rho;	
	double *probA;	
	double *probB;

	

	int *label;
	int *nSV;	
				
	
	int free_sv;
				
};

*/

#define LIBSVM_VERSION 312

#ifdef __cplusplus
extern "C" {
#endif



extern int libsvm_version;


struct svm_model *svm_train(const struct svm_problem *prob, const struct svm_parameter *param);
void svm_cross_validation(const struct svm_problem *prob, const struct svm_parameter *param, int nr_fold, double *target);

int svm_save_model(const char *model_file_name, const struct svm_model *model);
struct svm_model *svm_load_model(const char *model_file_name);

int svm_get_svm_type(const struct svm_model *model);
int svm_get_nr_class(const struct svm_model *model);
void svm_get_labels(const struct svm_model *model, int *label);
double svm_get_svr_probability(const struct svm_model *model);

double svm_predict_values(const struct svm_model *model, const struct svm_node *x, double* dec_values);
double gpu_svm_predict_values(const struct svm_model *model, const struct svm_node *x, double* dec_values, OpenCLKernelPredict *gpuCosa);

double svm_predict(const struct svm_model *model, const struct svm_node *x);
double gpu_svm_predict(const svm_model *model, const svm_node *x, OpenCLKernelPredict *gpuCosa);

double svm_predict_probability(const struct svm_model *model, const struct svm_node *x, double* prob_estimates);

void svm_free_model_content(struct svm_model *model_ptr);
void svm_free_and_destroy_model(struct svm_model **model_ptr_ptr);
void svm_destroy_param(struct svm_parameter *param);

const char *svm_check_parameter(const struct svm_problem *prob, const struct svm_parameter *param);
int svm_check_probability_model(const struct svm_model *model);

void svm_set_print_string_function(void (*print_func)(const char *));

#ifdef __cplusplus
}
#endif

#endif /* _LIBSVM_H */
